| Southgate to Oerlinghausen | 376.20 mi (605.44 km) |
| Southgate to Oestrich-Winkel | 372.00 mi (598.68 km) |
| Southgate to Offenburg | 418.80 mi (673.99 km) |
| Southgate to Oftersheim | 413.16 mi (664.91 km) |
| Southgate to Ohrdruf | 472.66 mi (760.67 km) |
| Southgate to Ohringen | 455.48 mi (733.02 km) |
| Southgate to Olbernhau | 586.32 mi (943.59 km) |
| Southgate to Olching | 560.80 mi (902.52 km) |
| Southgate to Oldenburg | 366.65 mi (590.07 km) |
| Southgate to Oldenburg in Holstein | 493.21 mi (793.75 km) |
| Southgate to Olfen | 321.68 mi (517.70 km) |
| Southgate to Olpe | 346.12 mi (557.03 km) |
| Southgate to Olsberg | 370.69 mi (596.57 km) |
| Southgate to Oranienburg | 570.44 mi (918.04 km) |
| Southgate to Ortenberg | 408.61 mi (657.60 km) |
